28546587

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20731}}^1$

素因数の和:20760

約数の個数: 20

約数和(自身を含む): 45154296

約数和(自身を除く): 16607709

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20731, 62193, 186579, 352427, 559737, 1057281, 1679211, 3171843, 9515529, 28546587]

約数ペア:

[(1, 28546587), (3, 9515529), (9, 3171843), (17, 1679211), (27, 1057281), (51, 559737), (81, 352427), (153, 186579), (459, 62193), (1377, 20731)]